Shanxi is the main producer of pigment carbon black in China, such as Xin'an pigment carbon black, Gaomeng carbon black, Silver Standard carbon black, Dexinlong carbon black, etc. There are Huanghe Coal in Shaanxi and Zhongzhong in Yunnan. Monocarbon black, black cat, etc. Henan has Xinxiang Delong carbon black. You can choose it as a spare as a manufacturer. I hope it can help you. Thank you for your adoption!